Let Property Campaign

Contact HMRC for help with their Let Property Campaign, including checking if it applies to you.

Online

Tell HMRC about underpaid tax from previous years
Use this online service to tell HMRC about income or gains that you have not declared from previous tax years.

If HMRC needs to contact you about anything confidential they’ll reply by phone or post.

Phone

Call HMRC for help with the Let Property Campaign, including checking if it applies to you.

Telephone: 0300 123 0998

Outside UK: +44 300 123 0998

Opening times:

  • Monday to Thursday: 9am to 5pm
  • Friday 9am to 4:30pm

Closed bank holidays.

Find out about call charges

Post

Write to HMRC for help with the Let Property Campaign, including checking if it applies to you.

You do not need to include a street name, city name or PO box when writing to this address.

Couriers should use a different addess.

ISBC, Campaigns and Projects
HM Revenue and Customs
BX9 1LE
United Kingdom

Let Property Campaign: your guide to making a disclosure
Let Property Campaign: examples of tax errors landlords make

Updates to this page

Published 14 May 2025